The leading theory for learning and memorization in the brain is that learning is provided by synaptic learning rules and memories stored in synaptic weights between neurons.
But this is for long-term memory. What about short-term, or working, memory where objects are kept in memory for only a few seconds?
The traditional theory held that here the mechanism is different, namely persistent firing of select neurons in areas such as prefrontal cortex. But this view is challenged by recent synapse-based models explored by today’s guest and others.
Links:
- Lansner, Fiebig, Herman: “Fast Hebbian plasticity and working meormy”, Current Opinion in Neurobiology (2023)
- Lundquist et al.: “Gamma and Beta Bursts Underlie Working Memory”, Neuron (2016)
- Homepage of Pawel Herman
The podcast was recorded on October 2nd, 2024 and lasts 1 hour and 47 minutes.
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